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<FONT color="green">001</FONT>    <a name="line.1"></a>
<FONT color="green">002</FONT>    /*<a name="line.2"></a>
<FONT color="green">003</FONT>     * Copyright (C) 2009 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<FONT color="green">004</FONT>     *<a name="line.4"></a>
<FONT color="green">005</FONT>     * $Id: CompressionMode.html 2 2009-12-17 02:39:56Z archie.cobbs $<a name="line.5"></a>
<FONT color="green">006</FONT>     */<a name="line.6"></a>
<FONT color="green">007</FONT>    <a name="line.7"></a>
<FONT color="green">008</FONT>    package org.dellroad.lzma.client;<a name="line.8"></a>
<FONT color="green">009</FONT>    <a name="line.9"></a>
<FONT color="green">010</FONT>    import org.dellroad.lzma.client.SevenZip.Compression.LZMA.Encoder;<a name="line.10"></a>
<FONT color="green">011</FONT>    <a name="line.11"></a>
<FONT color="green">012</FONT>    /**<a name="line.12"></a>
<FONT color="green">013</FONT>     * Represents LZMA compression modes, from 1 (fastest compression) to 9 (best compression).<a name="line.13"></a>
<FONT color="green">014</FONT>     */<a name="line.14"></a>
<FONT color="green">015</FONT>    public enum CompressionMode {<a name="line.15"></a>
<FONT color="green">016</FONT>    <a name="line.16"></a>
<FONT color="green">017</FONT>        MODE_1(0, 16, 64,  Encoder.EMatchFinderTypeBT2, 3, 0, 2),<a name="line.17"></a>
<FONT color="green">018</FONT>        MODE_2(0, 20, 64,  Encoder.EMatchFinderTypeBT2, 3, 0, 2),<a name="line.18"></a>
<FONT color="green">019</FONT>        MODE_3(1, 19, 64,  Encoder.EMatchFinderTypeBT4, 3, 0, 2),<a name="line.19"></a>
<FONT color="green">020</FONT>        MODE_4(2, 20, 64,  Encoder.EMatchFinderTypeBT4, 3, 0, 2),<a name="line.20"></a>
<FONT color="green">021</FONT>        MODE_5(2, 21, 128, Encoder.EMatchFinderTypeBT4, 3, 0, 2),<a name="line.21"></a>
<FONT color="green">022</FONT>        MODE_6(2, 22, 128, Encoder.EMatchFinderTypeBT4, 3, 0, 2),<a name="line.22"></a>
<FONT color="green">023</FONT>        MODE_7(2, 23, 128, Encoder.EMatchFinderTypeBT4, 3, 0, 2),<a name="line.23"></a>
<FONT color="green">024</FONT>        MODE_8(2, 24, 255, Encoder.EMatchFinderTypeBT4, 3, 0, 2),<a name="line.24"></a>
<FONT color="green">025</FONT>        MODE_9(2, 25, 255, Encoder.EMatchFinderTypeBT4, 3, 0, 2);<a name="line.25"></a>
<FONT color="green">026</FONT>    <a name="line.26"></a>
<FONT color="green">027</FONT>        private final int algorithm;<a name="line.27"></a>
<FONT color="green">028</FONT>        private final int dictionarySize;<a name="line.28"></a>
<FONT color="green">029</FONT>        private final int fb;<a name="line.29"></a>
<FONT color="green">030</FONT>        private final int matchFinder;<a name="line.30"></a>
<FONT color="green">031</FONT>        private final int lc;<a name="line.31"></a>
<FONT color="green">032</FONT>        private final int lp;<a name="line.32"></a>
<FONT color="green">033</FONT>        private final int pb;<a name="line.33"></a>
<FONT color="green">034</FONT>    <a name="line.34"></a>
<FONT color="green">035</FONT>        private CompressionMode(int algorithm, int dictionarySize, int fb, int matchFinder, int lc, int lp, int pb) {<a name="line.35"></a>
<FONT color="green">036</FONT>            this.algorithm = algorithm;<a name="line.36"></a>
<FONT color="green">037</FONT>            this.dictionarySize = dictionarySize;<a name="line.37"></a>
<FONT color="green">038</FONT>            this.fb = fb;<a name="line.38"></a>
<FONT color="green">039</FONT>            this.matchFinder = matchFinder;<a name="line.39"></a>
<FONT color="green">040</FONT>            this.lc = lc;<a name="line.40"></a>
<FONT color="green">041</FONT>            this.lp = lp;<a name="line.41"></a>
<FONT color="green">042</FONT>            this.pb = pb;<a name="line.42"></a>
<FONT color="green">043</FONT>        }<a name="line.43"></a>
<FONT color="green">044</FONT>    <a name="line.44"></a>
<FONT color="green">045</FONT>        /**<a name="line.45"></a>
<FONT color="green">046</FONT>         * Configure the given {@link Encoder} based on this compression mode.<a name="line.46"></a>
<FONT color="green">047</FONT>         */<a name="line.47"></a>
<FONT color="green">048</FONT>        public void configure(Encoder encoder) {<a name="line.48"></a>
<FONT color="green">049</FONT>            if (!encoder.SetAlgorithm(this.algorithm))<a name="line.49"></a>
<FONT color="green">050</FONT>                throw new RuntimeException("unexpected failure");<a name="line.50"></a>
<FONT color="green">051</FONT>            if (!encoder.SetDictionarySize(1 &lt;&lt; this.dictionarySize))<a name="line.51"></a>
<FONT color="green">052</FONT>                throw new RuntimeException("unexpected failure");<a name="line.52"></a>
<FONT color="green">053</FONT>            if (!encoder.SetNumFastBytes(this.fb))<a name="line.53"></a>
<FONT color="green">054</FONT>                throw new RuntimeException("unexpected failure");<a name="line.54"></a>
<FONT color="green">055</FONT>            if (!encoder.SetMatchFinder(this.matchFinder))<a name="line.55"></a>
<FONT color="green">056</FONT>                throw new RuntimeException("unexpected failure");<a name="line.56"></a>
<FONT color="green">057</FONT>            if (!encoder.SetLcLpPb(this.lc, this.lp, this.pb))<a name="line.57"></a>
<FONT color="green">058</FONT>                throw new RuntimeException("unexpected failure");<a name="line.58"></a>
<FONT color="green">059</FONT>        }<a name="line.59"></a>
<FONT color="green">060</FONT>    <a name="line.60"></a>
<FONT color="green">061</FONT>        /**<a name="line.61"></a>
<FONT color="green">062</FONT>         * The the instance corresponding to the integer {@code mode}.<a name="line.62"></a>
<FONT color="green">063</FONT>         *<a name="line.63"></a>
<FONT color="green">064</FONT>         * @param mode value from 1 (fastest) to 9 (best)<a name="line.64"></a>
<FONT color="green">065</FONT>         * @throws IllegalArgumentException if {@code mode} is invalid<a name="line.65"></a>
<FONT color="green">066</FONT>         */<a name="line.66"></a>
<FONT color="green">067</FONT>        public static CompressionMode get(int mode) {<a name="line.67"></a>
<FONT color="green">068</FONT>            switch (mode) {<a name="line.68"></a>
<FONT color="green">069</FONT>            case 1:<a name="line.69"></a>
<FONT color="green">070</FONT>                return MODE_1;<a name="line.70"></a>
<FONT color="green">071</FONT>            case 2:<a name="line.71"></a>
<FONT color="green">072</FONT>                return MODE_2;<a name="line.72"></a>
<FONT color="green">073</FONT>            case 3:<a name="line.73"></a>
<FONT color="green">074</FONT>                return MODE_3;<a name="line.74"></a>
<FONT color="green">075</FONT>            case 4:<a name="line.75"></a>
<FONT color="green">076</FONT>                return MODE_4;<a name="line.76"></a>
<FONT color="green">077</FONT>            case 5:<a name="line.77"></a>
<FONT color="green">078</FONT>                return MODE_5;<a name="line.78"></a>
<FONT color="green">079</FONT>            case 6:<a name="line.79"></a>
<FONT color="green">080</FONT>                return MODE_6;<a name="line.80"></a>
<FONT color="green">081</FONT>            case 7:<a name="line.81"></a>
<FONT color="green">082</FONT>                return MODE_7;<a name="line.82"></a>
<FONT color="green">083</FONT>            case 8:<a name="line.83"></a>
<FONT color="green">084</FONT>                return MODE_8;<a name="line.84"></a>
<FONT color="green">085</FONT>            case 9:<a name="line.85"></a>
<FONT color="green">086</FONT>                return MODE_9;<a name="line.86"></a>
<FONT color="green">087</FONT>            default:<a name="line.87"></a>
<FONT color="green">088</FONT>                throw new IllegalArgumentException("invalid mode " + mode);<a name="line.88"></a>
<FONT color="green">089</FONT>            }<a name="line.89"></a>
<FONT color="green">090</FONT>        }<a name="line.90"></a>
<FONT color="green">091</FONT>    }<a name="line.91"></a>
<FONT color="green">092</FONT>    <a name="line.92"></a>




























































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